Hmmm now what :S

ubuntu@ubuntu:~$ sudo dpkg --install /home/ubuntu/Downloads/flasher_3.12.1_amd64.deb
(Reading database ... 169573 files and directories currently installed.)
Preparing to unpack .../flasher_3.12.1_amd64.deb ...
Unpacking flasher (3.12.1) over (3.12.1) ...
Setting up flasher (3.12.1) ...
ubuntu@ubuntu:~$ sudo flasher --load
flasher 3.12.1 (Oct 5 2011) Harmattan
WARNING: This tool is intended for professional use only. Using it may result
in permanently damaging your device or losing the warranty.

Suitable USB interface (bootloader/phonet) not found, waiting...
USB device found at bus 003, device address 004.
Device identifier: 357923040690689 (SN: N/A)
Found device RM-696, hardware revision 1603
NOLO version 2.3.6
Version of 'sw-release': DFL61_HARMATTAN_40.2012.21-3_PR_005
Success
ubuntu@ubuntu:~$ -k /home/ubuntu/Downloads/vmlinuz-2.6.32.20112201-11.2-adaptation-n950-bootloader -n /home/ubuntu/Downloads\initrd.img-rescue-2.6.32.20112201-11.2-n950 --boot
Traceback (most recent call last):
File "/usr/lib/command-not-found", line 27, in <module>
from CommandNotFound.util import crash_guard
File "<frozen importlib._bootstrap>", line 2214, in _find_and_load
File "<frozen importlib._bootstrap>", line 2203, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
File "<frozen importlib._bootstrap>", line 1129, in _exec
File "<frozen importlib._bootstrap>", line 1444, in exec_module
File "<frozen importlib._bootstrap>", line 1548, in get_code
File "<frozen importlib._bootstrap>", line 1601, in get_data
OSError: [Errno 5] Input/output error